T. Konno

activity

20122026

most citedThe Belle II Physics Book

570 citations · 2.1k across the 114 of their papers we have counts for

collaborators

Showing 2023Show all

23 papers · 1 filter

hep-ex2023

Search for the $e^{+} e^{-} \to η_{b} (1 S) ω$ and $e^{+} e^{-} \to χ_{b 0} (1 P) ω$ processes at $s = 10.745 GeV$

Belle II Collaboration, I. Adachi, L. Aggarwal +419

We search for the $e^{+} e^{-} \to η_{b} (1 S) ω$ and $e^{+} e^{-} \to χ_{b 0} (1 P) ω$ processes at a center-of-mass energy of 10.745 GeV, which is close to the peak of the $Υ (10753)$ state. We use data…

hep-ex2023★ 90 cited

Evidence for $B^{+} \to K^{+} ν ν ˉ$ decays

Belle II Collaboration, I. Adachi, K. Adamczyk +452

We search for the rare decay $B^{+} \to K^{+} ν ν ˉ$ in a $362 fb^{- 1}$ sample of electron-positron collisions at the $Υ (4 S)$ resonance collected with the Belle II det…

hep-ex2023

Measurement of Angular Coefficients of $B ˉ \to D^{*} ℓ ν ˉ_{ℓ}$ : Implications for $∣ V_{c b} ∣$ and Tests of Lepton Flavor Universality

Belle Collaboration, M. T. Prim, F. Bernlochner +158

We measure the complete set of angular coefficients $J_{i}$ for exclusive $B ˉ \to D^{*} ℓ ν ˉ_{ℓ}$ decays ( $ℓ = e, μ$ ). Our analysis uses the full $711 fb^{- 1}$ …

hep-ex2023★ 8 cited

Measurement of branching fractions and direct $C P$ asymmetries for $B \to K π$ and $B \to π π$ decays at Belle II

Belle II Collaboration, I. Adachi, L. Aggarwal +435

We report measurements of the branching fractions and direct $CP$ asymmetries of the decays $B^{0} \to K^{+} π^{-}$ , $B^{+} \to K^{+} π^{0}$ , $B^{+} \to K^{0} π^{+}$ , and $B^{0} \to K^{0} π^{0}$ , and…

hep-ex2023

Search for charged-lepton flavor violation in $Υ (2 S) \to ℓ^{\mp} τ^{\pm}$ ( $ℓ = e, μ$ ) decays at Belle

R. Dhamija, S. Nishida, A. Giri +178

We report a search for the charged-lepton flavor violation in $Υ (2 S) \to ℓ^{\mp} τ^{\pm}$ ( $ℓ = e, μ$ ) decays using a $25~\fbi$ $Υ (2 S)$ sample collected by the Belle detector at the…

hep-ex2023★ 1 cited

The acrylic vessel for JSNS $^{2}$ -II neutrino target

C. D. Shin, S. Ajimura, M. K. Cheoun +57

The JSNS $^{2}$ (J-PARC Sterile Neutrino Search at J-PARC Spallation Neutron Source) is an experiment designed for the search for sterile neutrinos. The experiment is currently at t…

hep-ex2023

Observation of charmed strange meson pair production in $Υ (2 S)$ decays and in $e^{+} e^{-}$ annihilation at $s = 10.52 GeV$

Belle Collaboration, B. S. Gao, W. J. Zhu +165

We observe the process $Υ (2 S) \to D_{s}^{(*) +} D_{s J}^{-}$ and continuum production $e^{+} e^{-} \to D_{s}^{(*) +} D_{s J}^{-}$ at $s = 10.52$ GeV (and their charge conjugates) using the…

hep-ex2023★ 5 cited

Study on the accidental background of the JSNS $^{2}$ experiment

D. H. Lee, S. Ajimura, M. K. Cheoun +55

JSNS $^{2}$ (J-PARC Sterile Neutrino Search at J-PARC Spallation Neutron Source) is an experiment which searches for sterile neutrinos via the observation of $ν ˉ_{μ} \to ν ˉ_{e}$ a…

hep-ex2023★ 7 cited

Tests of light-lepton universality in angular asymmetries of $B^{0} \to D^{*-} ℓ ν$ decays

Belle II Collaboration, I. Adachi, K. Adamczyk +416

We present the first comprehensive tests of light-lepton universality in the angular distributions of semileptonic $B^{0}$ -meson decays to charged spin-1 charmed mesons. We measure f…

hep-ex2023★ 10 cited

Search for a $τ^{+} τ^{-}$ resonance in $e^{+} e^{-} \to μ^{+} μ^{-} τ^{+} τ^{-}$ events with the Belle II experiment

Belle II Collaboration, I. Adachi, K. Adamczyk +464

We report the first search for a non-standard-model resonance decaying into $τ$ pairs in $e^{+} e^{-} \to μ^{+} μ^{-} τ^{+} τ^{-}$ events in the 3.6-10 GeV/ $c^{2}$ mass range. We u…

hep-ex2023

Search for lepton-flavor-violating $τ^{-} \to ℓ^{-} ϕ$ decays in 2019-2021 Belle II data

Belle II Collaboration, F. Abudinén, I. Adachi +575

We report a search for lepton-flavor-violating decays $τ^{-} \to ℓ^{-} ϕ$ ( $ℓ^{-} = e^{-}, μ^{-}$ ) at the Belle II experiment, using a sample of electron-positron data produced at the Su…

hep-ex2023★ 2 cited

Observation of $B \to D^{(*)} K^{-} K_{S}^{0}$ decays using the 2019-2022 Belle II data sample

Belle II Collaboration, F. Abudinén, I. Adachi +575

We present a measurement of the branching fractions of four $B^{0, -} \to D^{(*) +, 0} K^{-} K_{S}^{0}$ decay modes. The measurement is based on data from SuperKEKB electron-positron colli…

hep-ex2023

Evidence for $B^{0} \to p Σ ˉ^{0} π^{-}$ at Belle

Belle Collaboration, C. -Y. Chang, M. -Z. Wang +192

We search for the $B^{0} \to p Σ ˉ^{0} π^{-}$ decay with $Σ ˉ^{0} \to Λ ˉ γ$ , where the $γ$ is not measured, using a data sample corresponding to an integrated luminosity of 711 $\rm{fb^…

hep-ex2023★ 2 cited

Search for $C P$ violation in $D_{(s)}^{+} \to K^{+} K_{S}^{0} h^{+} h^{-}$ $(h = K, π)$ decays and observation of the Cabibbo-suppressed decay $D_{s}^{+} \to K^{+} K^{-} K_{S}^{0} π^{+}$

Belle Collaboration, H. K. Moon, E. Won +205

We search for $C P$ violation by measuring a $T$ -odd asymmetry in the Cabibbo-suppressed $D^{+} \to K^{+} K_{S}^{0} π^{+} π^{-}$ decay, and in the Cabibbo-favored $D^{+}_{s}\ri…

cond-mat.str-el2023★ 4 cited

Oxygen on-site Coulomb energy in Pr $_{1.3 - x}$ La $_{0.7}$ Ce $_{x}$ CuO $_{4}$ and Bi $_{2}$ Sr $_{2}$ CaCu $_{2}$ O $_{8 + δ}$ and its relation with Heisenberg exchange

A. Chainani, M. Horio, C. -M. Cheng +20

We study the electronic structure of electron-doped Pr $_{1.3 - x}$ La $_{0.7}$ Ce $_{x}$ CuO $_{4}$ (PLCCO ; $T_{c}$ = 27 K, x = 0.1) and hole-doped Bi $_{2}$ Sr $_{2}$ CaCu $_{2}$ O $_{8 + δ}$ (Bi2212 ;…

hep-ex2023★ 4 cited

First Simultaneous Determination of Inclusive and Exclusive $∣ V_{u b} ∣$

Belle Collaboration, L. Cao, F. Bernlochner +211

The first simultaneous determination of the absolute value of the Cabibbo-Kobayashi-Maskawa matrix element $V_{u b}$ using inclusive and exclusive decays is performed with the full…

hep-ex2023★ 6 cited

Measurement of the branching fraction and $CP$ asymmetry of $B^{0} \to π^{0} π^{0}$ decays using $198 \times 1 0^{6}$ $B B$ pairs in Belle II data

Belle II Collaboration, F. Abudinén, I. Adachi +425

We report measurements of the branching fraction and $CP$ asymmetry in $B^{0} \to π^{0} π^{0}$ decays reconstructed at Belle II in an electron-positron collision sample contain…

hep-ex2023★ 17 cited

Study of the lineshape of $X (3872)$ using $B$ decays to $D^{0} D^{* 0} K$

Belle Collaboration, H. Hirata, T. Iijima +210

We present a study of the $X (3872)$ lineshape in the decay $B \to X (3872) K \to D^{0} D^{* 0} K$ using a data sample of $772 \times 1 0^{6}$ $B B$ pairs collected at th…

hep-ex2023★ 2 cited

Search for the decay $B_{s}^{0} \to π^{0} π^{0}$ at Belle

Belle Collaboration, J. Borah, B. Bhuyan +211

We report the results of the first search for the decay $B_{s}^{0} \to π^{0} π^{0}$ using $121.4 f b^{- 1}$ of data collected at the $Υ (5 S)$ resonance with the Belle detector a…

hep-ex2023★ 37 cited

Measurement of Differential Distributions of $B \to D^{*} ℓ ν ˉ_{ℓ}$ and Implications on $∣ V_{c b} ∣$

Belle Collaboration, M. T. Prim, F. Bernlochner +212

We present a measurement of the differential shapes of exclusive $B \to D^{*} ℓ ν ˉ_{ℓ}$ ( $B = B^{-}, B ˉ^{0}$ and $ℓ = e, μ$ ) decays with hadronic tag-side reconstruction f…

hep-ex2023★ 3 cited

Measurement of the $B^{0} \to D^{*-} ℓ^{+} ν_{ℓ}$ branching ratio and $∣ V_{c b} ∣$ with a fully reconstructed accompanying $B$ meson in 2019-2021 Belle II data

F. Abudinén, I. Adachi, K. Adamczyk +581

We present a measurement of the $B^{0} \to D^{*-} ℓ^{+} ν_{ℓ}$ ( $ℓ = e, μ$ ) branching ratio and of the CKM parameter $∣ V_{c b} ∣$ using signal decays accompanied by a f…

hep-ex2023★ 4 cited

Search for $B_{s}^{0} \to ℓ^{\mp} τ^{\pm}$ with the Semi-leptonic Tagging Method at Belle

Belle Collaboration, L. Nayak, S. Nishida +189

We present a search for the lepton-flavor-violating decays $B_{s}^{0} \to ℓ^{\mp} τ^{\pm}$ , where $ℓ = e, μ$ , using the full data sample of $121 fb^{- 1}$ collec…

hep-ex2023

First measurement of the Q^2 distribution of X(3915) single-tag two-photon production

Belle Collaboration, Y. Teramoto, S. Uehara +203

We report the first measurement of the $Q^{2}$ distribution of $X (3915)$ produced by single-tag two-photon interactions. The decay mode used is $X (3915) \to J / ψ ω$ . The covere…

Search for the e+e−→ηb​(1S)ω and e+e−→χb0​(1P)ω processes at s​=10.745GeV

Evidence for B+→K+ννˉ decays

Measurement of Angular Coefficients of Bˉ→D∗ℓνˉℓ​: Implications for ∣Vcb​∣ and Tests of Lepton Flavor Universality

Measurement of branching fractions and direct CP asymmetries for B→Kπ and B→ππ decays at Belle II

Search for charged-lepton flavor violation in Υ(2S)→ℓ∓τ± (ℓ=e,μ) decays at Belle

The acrylic vessel for JSNS2-II neutrino target

Observation of charmed strange meson pair production in Υ(2S) decays and in e+e− annihilation at s​=10.52 GeV

Study on the accidental background of the JSNS2 experiment

Tests of light-lepton universality in angular asymmetries of B0→D∗−ℓν decays

Search for a τ+τ− resonance in e+e−→μ+μ−τ+τ− events with the Belle II experiment

Search for lepton-flavor-violating τ−→ℓ−ϕ decays in 2019-2021 Belle II data

Observation of B→D(∗)K−KS0​ decays using the 2019-2022 Belle II data sample

Evidence for B0→pΣˉ0π− at Belle

Search for CP violation in D(s)+​→K+KS0​h+h− (h=K,π) decays and observation of the Cabibbo-suppressed decay Ds+​→K+K−KS0​π+

Oxygen on-site Coulomb energy in Pr1.3−x​La0.7​Cex​CuO4​ and Bi2​Sr2​CaCu2​O8+δ​ and its relation with Heisenberg exchange

First Simultaneous Determination of Inclusive and Exclusive ∣Vub​∣

Measurement of the branching fraction and CP asymmetry of B0→π0π0 decays using 198×106 BB pairs in Belle II data

Study of the lineshape of X(3872) using B decays to D0D∗0K

Search for the decay Bs0​→π0π0 at Belle

Measurement of Differential Distributions of B→D∗ℓνˉℓ​ and Implications on ∣Vcb​∣

Measurement of the B0→D∗−ℓ+νℓ​ branching ratio and ∣Vcb​∣ with a fully reconstructed accompanying B meson in 2019-2021 Belle II data

Search for Bs0​→ℓ∓τ± with the Semi-leptonic Tagging Method at Belle

First measurement of the Q^2 distribution of X(3915) single-tag two-photon production

Search for the $e^{+} e^{-} \to η_{b} (1 S) ω$ and $e^{+} e^{-} \to χ_{b 0} (1 P) ω$ processes at $s = 10.745 GeV$

Evidence for $B^{+} \to K^{+} ν ν ˉ$ decays

Measurement of Angular Coefficients of $B ˉ \to D^{*} ℓ ν ˉ_{ℓ}$ : Implications for $∣ V_{c b} ∣$ and Tests of Lepton Flavor Universality

Measurement of branching fractions and direct $C P$ asymmetries for $B \to K π$ and $B \to π π$ decays at Belle II

Search for charged-lepton flavor violation in $Υ (2 S) \to ℓ^{\mp} τ^{\pm}$ ( $ℓ = e, μ$ ) decays at Belle

The acrylic vessel for JSNS $^{2}$ -II neutrino target

Observation of charmed strange meson pair production in $Υ (2 S)$ decays and in $e^{+} e^{-}$ annihilation at $s = 10.52 GeV$

Study on the accidental background of the JSNS $^{2}$ experiment

Tests of light-lepton universality in angular asymmetries of $B^{0} \to D^{*-} ℓ ν$ decays

Search for a $τ^{+} τ^{-}$ resonance in $e^{+} e^{-} \to μ^{+} μ^{-} τ^{+} τ^{-}$ events with the Belle II experiment

Search for lepton-flavor-violating $τ^{-} \to ℓ^{-} ϕ$ decays in 2019-2021 Belle II data

Observation of $B \to D^{(*)} K^{-} K_{S}^{0}$ decays using the 2019-2022 Belle II data sample

Evidence for $B^{0} \to p Σ ˉ^{0} π^{-}$ at Belle

Search for $C P$ violation in $D_{(s)}^{+} \to K^{+} K_{S}^{0} h^{+} h^{-}$ $(h = K, π)$ decays and observation of the Cabibbo-suppressed decay $D_{s}^{+} \to K^{+} K^{-} K_{S}^{0} π^{+}$

Oxygen on-site Coulomb energy in Pr $_{1.3 - x}$ La $_{0.7}$ Ce $_{x}$ CuO $_{4}$ and Bi $_{2}$ Sr $_{2}$ CaCu $_{2}$ O $_{8 + δ}$ and its relation with Heisenberg exchange

First Simultaneous Determination of Inclusive and Exclusive $∣ V_{u b} ∣$

Measurement of the branching fraction and $CP$ asymmetry of $B^{0} \to π^{0} π^{0}$ decays using $198 \times 1 0^{6}$ $B B$ pairs in Belle II data

Study of the lineshape of $X (3872)$ using $B$ decays to $D^{0} D^{* 0} K$

Search for the decay $B_{s}^{0} \to π^{0} π^{0}$ at Belle

Measurement of Differential Distributions of $B \to D^{*} ℓ ν ˉ_{ℓ}$ and Implications on $∣ V_{c b} ∣$

Measurement of the $B^{0} \to D^{*-} ℓ^{+} ν_{ℓ}$ branching ratio and $∣ V_{c b} ∣$ with a fully reconstructed accompanying $B$ meson in 2019-2021 Belle II data

Search for $B_{s}^{0} \to ℓ^{\mp} τ^{\pm}$ with the Semi-leptonic Tagging Method at Belle